cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A249462 Number of length n+4 0..4 arrays with no five consecutive terms having four times any element equal to the sum of the remaining four.

Table of values

n a(n)
1 2640
2 11260
3 48180
4 206428
5 884728
6 3791504
7 16249428
8 69646680
9 298527530
10 1279613894
11 5484967770
12 23510991158
13 100778855292
14 431985293958
15 1851693204500
16 7937234390598
17 34022755120144
18 145837709303458

List of values

[2640, 11260, 48180, 206428, 884728, 3791504, 16249428, 69646680, 298527530, 1279613894, 5484967770, 23510991158, 100778855292, 431985293958, 1851693204500, 7937234390598, 34022755120144, 145837709303458]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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